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Finding the Fourth Proportional to 61,162.82, 91,783.20 and 27,886.20

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Solution

The fourth proportional to 61,162.82, 91,783.20 and 27,886.20 is: 41,847.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,162.82 : 91,783.20 = 27,886.20 : x
  2. Step 2: Convert to fraction form
    61,162.82/91,783.20 = 27,886.20/x
  3. Step 3: Cross multiply
    61,162.82x = 91,783.20 × 27,886.20
  4. Step 4: Simplify right side
    61,162.82x = 2,559,484,671.84
  5. Step 5: Solve for x
    x = 2,559,484,671.84/61,162.82
  6. Step 6: Final answer
    x = 41,847.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.